CN1089479C - 阴极射线管的消磁方法 - Google Patents

阴极射线管的消磁方法 Download PDF

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Publication number
CN1089479C
CN1089479C CN96111015A CN96111015A CN1089479C CN 1089479 C CN1089479 C CN 1089479C CN 96111015 A CN96111015 A CN 96111015A CN 96111015 A CN96111015 A CN 96111015A CN 1089479 C CN1089479 C CN 1089479C
Authority
CN
China
Prior art keywords
ray tube
cathode ray
demagnetization
coil
magnetization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN96111015A
Other languages
English (en)
Chinese (zh)
Other versions
CN1146062A (zh
Inventor
吉田昭彦
伊藤寿浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of CN1146062A publication Critical patent/CN1146062A/zh
Application granted granted Critical
Publication of CN1089479C publication Critical patent/CN1089479C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/29—Picture reproducers using cathode ray tubes using demagnetisation or compensation of external magnetic fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/44—Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0046—Preventing or cancelling fields within the enclosure

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
CN96111015A 1995-06-14 1996-06-14 阴极射线管的消磁方法 Expired - Fee Related CN1089479C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP146983/95 1995-06-14
JP7146983A JPH08340544A (ja) 1995-06-14 1995-06-14 陰極線管の消磁方法

Publications (2)

Publication Number Publication Date
CN1146062A CN1146062A (zh) 1997-03-26
CN1089479C true CN1089479C (zh) 2002-08-21

Family

ID=15419977

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96111015A Expired - Fee Related CN1089479C (zh) 1995-06-14 1996-06-14 阴极射线管的消磁方法

Country Status (7)

Country Link
US (1) US5754007A (de)
EP (1) EP0749146B1 (de)
JP (1) JPH08340544A (de)
KR (1) KR100382404B1 (de)
CN (1) CN1089479C (de)
DE (1) DE69603791T2 (de)
SG (1) SG54342A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002050290A (ja) * 2000-08-01 2002-02-15 Sony Corp 色純度測定方法及び色純度測定装置
JP2003199120A (ja) * 2001-12-28 2003-07-11 Matsushita Electric Ind Co Ltd カラー陰極線管
CN106024562B (zh) * 2016-06-23 2018-02-02 复旦大学 一种消除透射电镜物镜残余磁场的方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0396381A2 (de) * 1989-05-01 1990-11-07 Conrac Scd, Inc. Verfahren und Vorrichtung zur dynamischen Magnetfeldneutralisierung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1600842A (de) * 1968-07-16 1970-08-03
JPS57162238A (en) * 1981-03-31 1982-10-06 Toshiba Corp Manufacture device for color braun tube
NL8500862A (nl) * 1985-03-25 1986-10-16 Philips Nv Werkwijze voor het vervaardigen van een kleurenbeeldbuis en inrichting voor het uitvoeren van deze werkwijze.
JPH0687397B2 (ja) * 1986-06-09 1994-11-02 ソニー株式会社 陰極線管の磁気転写方法
JP3398996B2 (ja) * 1993-01-27 2003-04-21 ソニー株式会社 陰極線管の製造方法
JP3434531B2 (ja) * 1993-03-30 2003-08-11 株式会社東芝 消磁方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0396381A2 (de) * 1989-05-01 1990-11-07 Conrac Scd, Inc. Verfahren und Vorrichtung zur dynamischen Magnetfeldneutralisierung

Also Published As

Publication number Publication date
EP0749146A3 (de) 1997-03-26
EP0749146A2 (de) 1996-12-18
EP0749146B1 (de) 1999-08-18
JPH08340544A (ja) 1996-12-24
SG54342A1 (en) 1998-11-16
DE69603791T2 (de) 2000-03-02
DE69603791D1 (de) 1999-09-23
KR100382404B1 (ko) 2003-07-18
CN1146062A (zh) 1997-03-26
US5754007A (en) 1998-05-19
KR970003340A (ko) 1997-01-28

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee